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Access Connections on Opposite Sides of the Roadway

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Stover, V.G. Access Connections on Opposite Sides of the Roadway, Technical Memorandum, Center for Urban Transportation Research, (2008) unpublished. Available at http://www.cutr.usf.edu/programs/pcm/pub.shtml

This technical memorandum, prepared under various research contracts, addresses problems associated with access connections on opposite sides of a roadway and identifies where the typical practice of aligning access connections directly opposite one another may or may not be appropriate. It also includes examples where a change in alignment was made or crossing maneuvers were eliminated. For example, it notes that

“…aligning driveways on opposite sides of major undivided roadways or on opposite sides of a divided highway with a narrow median – especially high volume, high speed roadways, results in serious operational and safety problems.”

Other useful sources include:
1. Staplin, L., K. Lococo, S. Byington, and D. Harkey. Highway Design Handbook for Older Drivers and Pedestrians. Federal Highway Administration, Report FHWA-R#-01-103, Washington, D.C. (2001)
2. Institute of Transportation Engineers, Urban Street Geometric Design Handbook, J. Mason, R. M. Elizer, and K. Hooper, eds (2008)

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